TPI = Team Performance Index (my ranking metric). Based on wRC, DRA, DRS, and UZR.
W% = Team Winning Percentage (i.e. real life)
Py% = Pythagorean Winning Percentage (based on real RS and RA)
On-Paper Playoff LeadersAmerican League - East: Rays, Central: Indians, West: A's, Wild cards: Royals and Tigers
National League - East: Mets, Central: Cardinals, West: Dodgers, Wild cards: Giants and Reds
(teams in bold are new leaders)